according to https://btrfs.wiki.kernel.org/index.php/Compression#How_do_I_enable_compression.3F there exist a "NOCOMPRESS" flag, how do i set the NOCOMPRESS flag on a file?


you could certainly have stolen my answer for yourself :)

the easiest is btrfs property set $THING compression none and a defrag to uncompress it. using btrfs property to set the +c force-compression flag is the most flexible, as you can specify a compression type to force, where using chattr it defaults to using zlib.

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